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Loudoun County, VA Parcels & GIS Data

Loudoun County, VA parcel data: 154,557 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Loudoun County, Virginia parcel data covering 154,557 property records.

This page documents parcel-level coverage for Loudoun County, Virginia. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Loudoun County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Loudoun County property dataset.

Loudoun County is a northern county of the Commonwealth of Virginia in the United States. In 2020, the census returned a population of 420,959, making it Virginia's third-most populous county. The county seat is Leesburg. Loudoun County is part of the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Statistical Area.

FIPS 51107

Official county website: http://www.loudoun.gov/

The FIPS code for Loudoun County is 51107.

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Attribute coverage

Loudoun County contains 154,557 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%154,557
parcelid100%154,516
parcelid286.1%133,078
ogparcelid100%154,556
ogparcelid286.1%133,085
parentid13.8%21,329
stackid<0.1%0
geoid100%154,557
statefp100%154,557
countyfp100%154,557
countyname100%154,557
cousubfp100%154,557
cousubname100%154,557
tractce100%154,557
tractname100%154,557
taxacctnum85.5%132,141
taxyear<0.1%0
taxdistrict85.6%132,258
usecode85.3%131,901
usedesc61.9%95,683
zoningcode99.9%154,382
zoningdesc85.0%131,388
numbldgs85.1%131,568
numunits88.6%137,012
yearbuilt<0.1%0
numfloors4.2%6,490
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres86.1%133,011
calcarea100%154,557
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%0
ownername<0.1%0
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr26.6%41,095
parcelcity26.9%41,523
parcelstate100%154,557
parcelzip100%154,557
legaldesc99.5%153,762
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
block86.5%133,765
lot87.5%135,170
parceltype0.9%1,408
accesstype0.9%1,408
iucnclass0.8%1,180
placename3.5%5,460
placetype3.5%5,378
firmid100%154,512
firmdate100%154,512
fldzone100%154,512
zonesubty99.3%153,490
staticbfe<0.1%17
elevmin99.6%153,943
elevmax99.6%153,943
elevavg99.6%153,943
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode7.8%12,041
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.9%154,414
centroidx100%154,557
centroidy100%154,557
surfpointx100%154,557
surfpointy100%154,557
geom100%154,557
extras100%154,557
ownerlist<0.1%0
placefp74.7%115,390
zoningurl85.0%131,373
lbcsactivity98.7%152,558
lbcsfunction98.5%152,273
lbcstype98.1%151,694
lbcscharacter99.9%154,424
lbcsownership0.9%1,462
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Loudoun County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Loudoun County, Virginia (51107) 3 entities · most recent acquisition per entity · generated 2026-10-10 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER ADDRESS ad_address am_std_full_street am_address_ext am_zip am_town am_state geom 20 cols ⇢ house_number road unit postcode city state geom extras PARCEL vpc_parcel_key vpc_res_com vpc_prizone_subcd pa_legal_sqft vpc_pri_str_addr vpc_pri_ctyst vpc_txmp vpc_lot geom 7 cols ⇢ parcelid usecode zoningcode taxacres parceladdr parcelcity legaldesc lot geom extras ZONING geom ps_pd_zone pdistrict_name pd_sstations_nam ps_pdistrict pdistrict_abbrev ps_pd_area ps_pd_sstations ps_pdid ps_sectnum geom zoningcode zoningdesc notes extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 99.3% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 86.1% parcelid2 86.1% ogparcelid2 85.5% taxacctnum 85.6% taxdistrict 61.9% usedesc 85.1% numbldgs 88.6% numunits 100% parcelstate 100% parcelzip 86.5% block 74.7% placefp 85.0% zoningurl 98.7% lbcsactivity 98.5% lbcsfunction 98.1% lbcstype 100% lbcscharacter lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits taxacres calcarea parceladdr parcelcity parcelstate parcelzip legaldesc block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras placefp zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter publish.parcel_layer columns not fed by these sources (50) — empty or below 50% fill in this county parentid, stackid, taxyear, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt saledate, ownertype, ownername, owneraddr, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, plssdesc, book, page parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, lbcsownership, sourceurl ADDRESS 7 mapped · 20 kept in extras · 14 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ADDRESS ad_address am_std_full_street am_address_ext am_zip am_town am_state geom house_number road unit postcode city state geom extras · 20 source columns preserved as json ad_point_type, ad_mcpi, ad_loud_id, ad_upd_date, am_dir_pref am_str_name, am_str_type, am_dir_suf, am_base_townzip am_point_x_dd, am_point_y_dd, am_point_x_sp, am_point_y_sp am_loud_id_pt1, am_std_base_address, full_address full_address_tsz, am_address_plus_ext am_address_plus_ext_web, am_std_base_address_web extras not present in source — filled with NULL (14) house, category, near, level, staircase, entrance, po_box, suburb, city_district, island, state_district, country_region, country, world_region PARCEL 9 mapped · 8 transformed · 7 kept in extras · 45 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL vpc_parcel_key vpc_res_com vpc_prizone_subcd pa_legal_sqft vpc_pri_str_addr vpc_pri_ctyst vpc_txmp vpc_lot geom parcelid NULLIF(TRIM(vpc_parcel_key), '')::text usecode NULLIF(TRIM(vpc_res_com), '')::text zoningcode NULLIF(TRIM(vpc_prizone_subcd), '')::text taxacres (pa_legal_sqft / 43560.0)::text parceladdr NULLIF(TRIM(vpc_pri_str_addr), '')::text parcelcity NULLIF(TRIM(SPLIT_PART(TRIM(vpc_pri_ctyst), ' ', 1)), '')::text legaldesc NULLIF(TRIM(vpc_txmp), '')::text lot NULLIF(TRIM(vpc_lot), '')::text geom extras · 7 source columns preserved as json pa_type, pa_plat_num, pa_subd_name, vpc_proj_apl_key vpc_elecdist_subcd, vpc_multizone_flg, vpc_rec_nbr extras not present in source — filled with NULL (45) parcelid2, taxacctnum, taxyear, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, parcelzip township, section, qtrsection, range, plssdesc, book, page, block, updated, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating cooling, foundation, roofcover, siding ZONING 5 mapped · 1 transformed · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom ps_pd_zone pdistrict_name pd_sstations_nam ps_pdistrict pdistrict_abbrev ps_pd_area ps_pd_sstations ps_pdid ps_sectnum geom zoningcode zoningdesc notes extras json_build_object( 'ps_pdistrict', ps_pdistrict::text, 'pdistri… not present in source — filled with NULL (5) zoningtype, ordinance, setbacks, restrictions, sourceurl

Neighboring counties

Parcel data for counties bordering Loudoun County:

Frequently asked questions

Where can I find Loudoun County, VA parcel and GIS data?

Land Records publishes a Loudoun County, VA parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Loudoun County, VA dataset as a GeoPackage or CSV.

How many parcels are in Loudoun County, VA?

The current dataset contains 154,557 parcel records for Loudoun County, VA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Loudoun County, VA?

The FIPS code for Loudoun County, VA is 51107.

What information does each Loudoun County, VA parcel record include?

Each Loudoun County, VA parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Loudoun County, VA parcel data free?

You can preview Loudoun County, VA parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Loudoun County, VA have an official GIS or property records website?

Yes — the official Loudoun County, VA government website is linked in the county details above. Land Records standardizes Loudoun County, VA assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated